I wish I'd kept the outtakes reel when I left Codemasters... 8)
Someone had set gravity to zero, so it cause a divide by zero error. The cars on the racing ground were all imploding, and the one in the garage imploded, flew around the room and out the window!
While I was doing WakiZoids, I set the black hole attraction force too high and reversed. I started the game and a whole bunch of game objects just shot past me.
Physics can be hilarious!